Specifications:Model No: D507Active pressure wave(receiver): ¡Ü-57dbmNegative pressure wave(transmitter): ¡Ü-36dbmPower supply(receiver): AC 110-240VPower supply(transmitter): 1X12V 23A £¨ALKALINE BATTERY)Working power consumption: ¡Ü3WTransmit power: Sound options: 32 chimes£¬36 Polyphonic melodiesFeatures:FCC, CE and RoHS certified.Music volume adjustable.Transmitter/bell push IP44 waterproof.Energy saving, transmitter battery can be used for over 15 months, and plug-in receiver working power consumption less than 5WPackage Included:1 x Push Button (Transmitter)1 x Plugin Chime (Receiver)2 x Screws1 x Double-Sided Adhesive Tape1 x 12V A23 Alkaline battery for transmitter1 x User ManualInstallation Instructions:Step 1Open the package, find out the groove on the top cover of button, use a flat blade screwdriver to remove the cover. Install the 23A 12V alkaline battery observing the correct polarity, then close the cover.Step 2There are two mounting options for the installation of button.Option A:Stick the double-faced adhesive tape(included) on the back of button, remove the other side of the tape, press the button onto the wall, press hard for 30 seconds.Option B:There are screw mounting holes in the back cover of button, the holes can be pushed through, and fixed to the wall with screws.Step 3When installation of button is completed, plug Chime into a standard plug socket, then the Wireless Doorbell works.
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